Flutesan 4 Pieces Electronic Whistle Battery Operated Whistle Adjustable 3 Different Loud Handheld for Teacher Coach Referee Emergency Whistle High Volume Volleyball Soccer Sports Whistle
- Provide You with a Pleasant Using Experience: in contrast to traditional whistles, these electronic whistles for teachers produce a clear, loud and intense sound without the effort of blowing with the mouth, which can effectively save your energy, and they are nice helpers during training, refereeing and distress calls.
- Adjustable Volume Design: the electric whistle features 3 different volumes, providing you multiple choices, so you can choose different volumes according to the environment and actual needs, to keep your ears from discomfort caused by high volume, while the sound can be heard, bring you a lot of convenience.
- Convenient to Use: this referee whistle is easy to use, simply adjust the volume to the intensity you want, and turn it on instead of trying to blow it by mouth, which can be applied as a sport whistle to referee and instructor, or pet whistle to training pigeons, cats and dogs, or outdoor camping hiking emergency whistle.
- Serve You for a Long Time: these battery operated whistles are made of quality ABS, firm and solid, will not break or deform easily, the surface and border are smooth to touch, with exquisite workmanship, no burr or rough corner, reliable and serviceable, can satisfy your long term needs, not easy to fade, wear or....